\documentclass{standalone}
\usepackage{tikz}
\usepackage{ctex,siunitx,circuitikz,ninecolors}
\setCJKmainfont{Noto Serif CJK SC}
\usepackage{tkz-euclide}
\usepackage{amsmath}
\usepackage{wasysym}
\usetikzlibrary{patterns, calc}
\usetikzlibrary {decorations.pathmorphing, decorations.pathreplacing, decorations.shapes}
\ctikzset{bipoles/length=1cm}
\begin{document}
\small
\begin{circuitikz}[>=latex,scale=0.8]
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  \coordinate (B) at ({cos(160)},{0.5*sin(160)});
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(0.073, 0.021)..controls(0.071,-0.018)and(0.091,-0.018)..
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\end{circuitikz}
\end{document}